Home / 859,116.51-1,288,574.69-228,079.35

Finding the Fourth Proportional to 859,116.51, 1,288,574.69 and 228,079.35

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Solution

The fourth proportional to 859,116.51, 1,288,574.69 and 228,079.35 is: 342,092.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,116.51 : 1,288,574.69 = 228,079.35 : x
  2. Step 2: Convert to fraction form
    859,116.51/1,288,574.69 = 228,079.35/x
  3. Step 3: Cross multiply
    859,116.51x = 1,288,574.69 × 228,079.35
  4. Step 4: Simplify right side
    859,116.51x = 293,897,276,581.26
  5. Step 5: Solve for x
    x = 293,897,276,581.26/859,116.51
  6. Step 6: Final answer
    x = 342,092.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.